diff options
| author | Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2022-09-12 16:57:35 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-09-25 20:49:51 +0300 |
| commit | 47cd930ee6aed7d63312ef133d1d46c4be42d6a9 (patch) | |
| tree | 9f905e51c3952a54488cb2d45525daa20e3b69e5 /drivers/scsi/mpi3mr | |
| parent | ee6f2d6bb2a0a3824b8f1d2cd4ceba8f8a3fb193 (diff) | |
| download | linux-47cd930ee6aed7d63312ef133d1d46c4be42d6a9.tar.xz | |
scsi: mpi3mr: Support new power management framework
Switch to the new generic PCI power management framework. Also, remove
unnecessary calls to the PCI helper functions (such as
pci_set_power_state(), pci_enable_wake(), pci_save_state(),
pci_restore_state() etc).
Link: https://lore.kernel.org/r/20220912135742.11764-3-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 22f1a06b748e..f1a6448e3d85 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -5094,22 +5094,21 @@ static void mpi3mr_shutdown(struct pci_dev *pdev) mpi3mr_cleanup_resources(mrioc); } -#ifdef CONFIG_PM /** * mpi3mr_suspend - PCI power management suspend callback - * @pdev: PCI device instance - * @state: New power state + * @dev: Device struct * * Change the power state to the given value and cleanup the IOC * by issuing MUR and shutdown notification * * Return: 0 always. */ -static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused +mpi3mr_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct Scsi_Host *shost = pci_get_drvdata(pdev); struct mpi3mr_ioc *mrioc; - pci_power_t device_state; if (!shost) return 0; @@ -5123,27 +5122,26 @@ static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) mpi3mr_stop_watchdog(mrioc); mpi3mr_cleanup_ioc(mrioc); - device_state = pci_choose_state(pdev, state); - ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n", - pdev, pci_name(pdev), device_state); - pci_save_state(pdev); + ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state\n", + pdev, pci_name(pdev)); mpi3mr_cleanup_resources(mrioc); - pci_set_power_state(pdev, device_state); return 0; } /** * mpi3mr_resume - PCI power management resume callback - * @pdev: PCI device instance + * @dev: Device struct * * Restore the power state to D0 and reinitialize the controller * and resume I/O operations to the target devices * * Return: 0 on success, non-zero on failure */ -static int mpi3mr_resume(struct pci_dev *pdev) +static int __maybe_unused +mpi3mr_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct Scsi_Host *shost = pci_get_drvdata(pdev); struct mpi3mr_ioc *mrioc; pci_power_t device_state = pdev->current_state; @@ -5156,9 +5154,6 @@ static int mpi3mr_resume(struct pci_dev *pdev) ioc_info(mrioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n", pdev, pci_name(pdev), device_state); - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, PCI_D0, 0); - pci_restore_state(pdev); mrioc->pdev = pdev; mrioc->cpu_count = num_online_cpus(); r = mpi3mr_setup_resources(mrioc); @@ -5180,7 +5175,6 @@ static int mpi3mr_resume(struct pci_dev *pdev) return 0; } -#endif static const struct pci_device_id mpi3mr_pci_id_table[] = { { @@ -5191,16 +5185,15 @@ static const struct pci_device_id mpi3mr_pci_id_table[] = { }; MODULE_DEVICE_TABLE(pci, mpi3mr_pci_id_table); +static SIMPLE_DEV_PM_OPS(mpi3mr_pm_ops, mpi3mr_suspend, mpi3mr_resume); + static struct pci_driver mpi3mr_pci_driver = { .name = MPI3MR_DRIVER_NAME, .id_table = mpi3mr_pci_id_table, .probe = mpi3mr_probe, .remove = mpi3mr_remove, .shutdown = mpi3mr_shutdown, -#ifdef CONFIG_PM - .suspend = mpi3mr_suspend, - .resume = mpi3mr_resume, -#endif + .driver.pm = &mpi3mr_pm_ops, }; static ssize_t event_counter_show(struct device_driver *dd, char *buf) |